#page_welcome{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
#page_welcome h1{
    font-family: cursive,"楷体";
    color: gold;
    text-align: center;
}
#page_welcome button,a{
    text-decoration: none;
    font-size: 16px;
    display: inline-block;
    width: 100%;
    border: none;
    background-color: goldenrod;
    color: #fff;
    border-radius: 15px;
    padding: 8px;
    text-align: center;
    margin: 5px;
}